The support of research in the bio-sciences for the fiscal years 1952 and 1953.

The Support of Research in the Bio-Sciences for the Fiscal Years 1952 and 1953: Stella L. Deignan and Esther Miller .................. 661 Verbal Habits and the Visual Recognition of Words: Leo Postman a d Beverly Conger ................ ............................. 671 Wendell Clark Bennett: 1905-1953: Cornelius Osgood .................................... 674 News and Notes American Assoeiation of Physical Anthropologists; Differential Fertility and the Intelligence of New Generations; and Regular Deptments ................................................... 675 Technical Papers Time-Intensity Factor in the Production of Dicentric Bridges with Gamma Ray and Radium during Meiosis in the Grasshopper: S. P. Ray-Ch4udhuri and C. K. Pyne .685 Quantitative Floecqlation of S. schottmuelleri Cells by Quaternary Amnionium Germicides: B. L. Stedman, E. Kravitz, _ . and H. Bell 686 The Effect of Feeding Desiccated Thyroid and Thiouracil on 42 Dental Caries in Rats: Joseph C. Muhler and William G. Shafer ...... 687 Limitations of the "Zero Method" of Population Counts: __ ~F. M. Wadley ... . . 689 Histochemistry of Ketoenolic Substances (Hamazaki): __ Yukio Hamazak d Masataka Shiraishi ................................................... 690 Exchange of Incompatibility Factors between the Nuclei of a Dikaryon. H. P. Papazian .................................................... 691 Communications Farm dale Drift: Pa-ul B. Shaffer ................................................ ........ .............. 693 Streamflow and Flood-Frequency Studies: Manuel A. Benson .................. 694